diff options
Diffstat (limited to 'sys/i4b/layer2/i4b_l2fsm.c')
| -rw-r--r-- | sys/i4b/layer2/i4b_l2fsm.c | 1593 |
1 files changed, 0 insertions, 1593 deletions
diff --git a/sys/i4b/layer2/i4b_l2fsm.c b/sys/i4b/layer2/i4b_l2fsm.c deleted file mode 100644 index 113167c114295..0000000000000 --- a/sys/i4b/layer2/i4b_l2fsm.c +++ /dev/null @@ -1,1593 +0,0 @@ -/* - * Copyright (c) 1997, 1998 Hellmuth Michaelis. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - *--------------------------------------------------------------------------- - * - * i4b_l2fsm.c - layer 2 FSM - * ------------------------- - * - * $Id: i4b_l2fsm.c,v 1.13 1998/12/05 18:05:11 hm Exp $ - * - * last edit-date: [Sat Dec 5 18:28:15 1998] - * - *---------------------------------------------------------------------------*/ - -#ifdef __FreeBSD__ -#include "i4bq921.h" -#else -#define NI4BQ921 1 -#endif -#if NI4BQ921 > 0 - -#include <sys/param.h> -#if defined(__FreeBSD__) && __FreeBSD__ >= 3 -#include <sys/ioccom.h> -#else -#include <sys/ioctl.h> -#endif -#include <sys/kernel.h> -#include <sys/systm.h> -#include <sys/mbuf.h> -#include <sys/socket.h> -#include <net/if.h> - -#ifdef __FreeBSD__ -#include <machine/i4b_debug.h> -#include <machine/i4b_ioctl.h> -#else -#include <i4b/i4b_debug.h> -#include <i4b/i4b_ioctl.h> -#endif - -#include <i4b/include/i4b_global.h> -#include <i4b/include/i4b_l1l2.h> -#include <i4b/include/i4b_l2l3.h> -#include <i4b/include/i4b_isdnq931.h> -#include <i4b/include/i4b_mbuf.h> - -#include <i4b/layer2/i4b_l2.h> -#include <i4b/layer2/i4b_l2fsm.h> - -l2_softc_t l2_softc[ISIC_MAXUNIT]; - -static char *l2state_text[N_STATES] = { - "ST_TEI_UNAS", - "ST_ASG_AW_TEI", - "ST_EST_AW_TEI", - "ST_TEI_ASGD", - - "ST_AW_EST", - "ST_AW_REL", - "ST_MULTIFR", - "ST_TIMREC", - - "ST_SUBSET", - "Illegal State" -}; - -static char *l2event_text[N_EVENTS] = { - "EV_DLESTRQ", - "EV_DLUDTRQ", - "EV_MDASGRQ", - "EV_MDERRRS", - "EV_PSDEACT", - "EV_MDREMRQ", - "EV_RXSABME", - "EV_RXDISC", - "EV_RXUA", - "EV_RXDM", - "EV_T200EXP", - "EV_DLDATRQ", - "EV_DLRELRQ", - "EV_T203EXP", - "EV_OWNBUSY", - "EV_OWNRDY", - "EV_RXRR", - "EV_RXREJ", - "EV_RXRNR", - "EV_RXFRMR", - "Illegal Event" -}; - -static void F_TU01 __P((l2_softc_t *)); -static void F_TU03 __P((l2_softc_t *)); - -static void F_TA03 __P((l2_softc_t *)); -static void F_TA04 __P((l2_softc_t *)); -static void F_TA05 __P((l2_softc_t *)); - -static void F_TE03 __P((l2_softc_t *)); -static void F_TE04 __P((l2_softc_t *)); -static void F_TE05 __P((l2_softc_t *)); - -static void F_T01 __P((l2_softc_t *)); -static void F_T05 __P((l2_softc_t *)); -static void F_T06 __P((l2_softc_t *)); -static void F_T07 __P((l2_softc_t *)); -static void F_T08 __P((l2_softc_t *)); -static void F_T09 __P((l2_softc_t *)); -static void F_T10 __P((l2_softc_t *)); -static void F_T13 __P((l2_softc_t *)); - -static void F_AE01 __P((l2_softc_t *)); -static void F_AE05 __P((l2_softc_t *)); -static void F_AE06 __P((l2_softc_t *)); -static void F_AE07 __P((l2_softc_t *)); -static void F_AE08 __P((l2_softc_t *)); -static void F_AE09 __P((l2_softc_t *)); -static void F_AE10 __P((l2_softc_t *)); -static void F_AE11 __P((l2_softc_t *)); -static void F_AE12 __P((l2_softc_t *)); - -static void F_AR05 __P((l2_softc_t *)); -static void F_AR06 __P((l2_softc_t *)); -static void F_AR07 __P((l2_softc_t *)); -static void F_AR08 __P((l2_softc_t *)); -static void F_AR09 __P((l2_softc_t *)); -static void F_AR10 __P((l2_softc_t *)); -static void F_AR11 __P((l2_softc_t *)); - -static void F_MF01 __P((l2_softc_t *)); -static void F_MF05 __P((l2_softc_t *)); -static void F_MF06 __P((l2_softc_t *)); -static void F_MF07 __P((l2_softc_t *)); -static void F_MF08 __P((l2_softc_t *)); -static void F_MF09 __P((l2_softc_t *)); -static void F_MF10 __P((l2_softc_t *)); -static void F_MF11 __P((l2_softc_t *)); -static void F_MF12 __P((l2_softc_t *)); -static void F_MF13 __P((l2_softc_t *)); -static void F_MF14 __P((l2_softc_t *)); -static void F_MF15 __P((l2_softc_t *)); -static void F_MF16 __P((l2_softc_t *)); -static void F_MF17 __P((l2_softc_t *)); -static void F_MF18 __P((l2_softc_t *)); -static void F_MF19 __P((l2_softc_t *)); -static void F_MF20 __P((l2_softc_t *)); - -static void F_TR01 __P((l2_softc_t *)); -static void F_TR05 __P((l2_softc_t *)); -static void F_TR06 __P((l2_softc_t *)); -static void F_TR07 __P((l2_softc_t *)); -static void F_TR08 __P((l2_softc_t *)); -static void F_TR09 __P((l2_softc_t *)); -static void F_TR10 __P((l2_softc_t *)); -static void F_TR11 __P((l2_softc_t *)); -static void F_TR12 __P((l2_softc_t *)); -static void F_TR13 __P((l2_softc_t *)); -static void F_TR15 __P((l2_softc_t *)); -static void F_TR16 __P((l2_softc_t *)); -static void F_TR17 __P((l2_softc_t *)); -static void F_TR18 __P((l2_softc_t *)); -static void F_TR19 __P((l2_softc_t *)); -static void F_TR20 __P((l2_softc_t *)); -static void F_ILL __P((l2_softc_t *)); -static void F_NCNA __P((l2_softc_t *)); - -/*---------------------------------------------------------------------------* - * FSM illegal state default action - *---------------------------------------------------------------------------*/ -static void -F_ILL(l2_softc_t *l2sc) -{ - DBGL2(L2_F_ERR, "F_ILL", ("FSM function F_ILL executing\n")); -} - -/*---------------------------------------------------------------------------* - * FSM No change, No action - *---------------------------------------------------------------------------*/ -static void -F_NCNA(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_NCNA", ("FSM function F_NCNA executing\n")); -} - -/*---------------------------------------------------------------------------* - * layer 2 state transition table - *---------------------------------------------------------------------------*/ -struct l2state_tab { - void (*func) __P((l2_softc_t *)); /* function to execute */ - int newstate; /* next state */ -} l2state_tab[N_EVENTS][N_STATES] = { - -/* STATE: ST_TEI_UNAS, ST_ASG_AW_TEI, ST_EST_AW_TEI, ST_TEI_ASGD, ST_AW_EST, ST_AW_REL, ST_MULTIFR, ST_TIMREC, ST_SUBSET, ILLEGAL STATE */ -/* -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/ -/*EV_DLESTRQ*/{ {F_TU01, ST_EST_AW_TEI}, {F_NCNA, ST_EST_AW_TEI}, {F_ILL, ST_ILL}, {F_T01, ST_AW_EST}, {F_AE01, ST_AW_EST}, {F_ILL, ST_ILL}, {F_MF01, ST_AW_EST}, {F_TR01, ST_AW_EST}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL} }, -/*EV_DLUDTRQ*/{ {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL} }, -/*EV_MDASGRQ*/{ {F_TU03, ST_TEI_ASGD}, {F_TA03, ST_TEI_ASGD}, {F_TE03, ST_AW_EST}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL} }, -/*EV_MDERRRS*/{ {F_ILL, ST_ILL}, {F_TA04, ST_TEI_UNAS}, {F_TE04, ST_TEI_UNAS}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL} }, -/*EV_PSDEACT*/{ {F_ILL, ST_ILL}, {F_TA05, ST_TEI_UNAS}, {F_TE05, ST_TEI_UNAS}, {F_T05, ST_TEI_ASGD}, {F_AE05, ST_TEI_ASGD}, {F_AR05, ST_TEI_ASGD}, {F_MF05, ST_TEI_ASGD}, {F_TR05, ST_TEI_ASGD}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL} }, -/*EV_MDREMRQ*/{ {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_T06, ST_TEI_UNAS}, {F_AE06, ST_TEI_UNAS}, {F_AR06, ST_TEI_UNAS}, {F_MF06, ST_TEI_UNAS}, {F_TR06, ST_TEI_UNAS}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL} }, -/*EV_RXSABME*/{ {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_T07, ST_SUBSET}, {F_AE07, ST_AW_EST}, {F_AR07, ST_AW_REL}, {F_MF07, ST_MULTIFR}, {F_TR07, ST_MULTIFR}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL} }, -/*EV_RXDISC */{ {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_T08, ST_TEI_ASGD}, {F_AE08, ST_AW_EST}, {F_AR08, ST_AW_REL}, {F_MF08, ST_TEI_ASGD}, {F_TR08, ST_TEI_ASGD}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL} }, -/*EV_RXUA */{ {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_T09, ST_TEI_ASGD}, {F_AE09, ST_SUBSET}, {F_AR09, ST_SUBSET}, {F_MF09, ST_MULTIFR}, {F_TR09, ST_TIMREC}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL} }, -/*EV_RXDM */{ {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_T10, ST_SUBSET}, {F_AE10, ST_SUBSET}, {F_AR10, ST_SUBSET}, {F_MF10, ST_SUBSET}, {F_TR10, ST_AW_EST}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL} }, -/*EV_T200EXP*/{ {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_AE11, ST_SUBSET}, {F_AR11, ST_SUBSET}, {F_MF11, ST_TIMREC}, {F_TR11, ST_SUBSET}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL} }, -/*EV_DLDATRQ*/{ {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_AE12, ST_AW_EST}, {F_ILL, ST_ILL}, {F_MF12, ST_MULTIFR}, {F_TR12, ST_TIMREC}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL} }, -/*EV_DLRELRQ*/{ {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_T13, ST_TEI_ASGD}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_MF13, ST_AW_REL}, {F_TR13, ST_AW_REL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL} }, -/*EV_T203EXP*/{ {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_MF14, ST_TIMREC}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL} }, -/*EV_OWNBUSY*/{ {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_MF15, ST_MULTIFR}, {F_TR15, ST_TIMREC}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL} }, -/*EV_OWNRDY */{ {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_MF16, ST_MULTIFR}, {F_TR16, ST_TIMREC}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL} }, -/*EV_RXRR */{ {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_MF17, ST_SUBSET}, {F_TR17, ST_SUBSET}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL} }, -/*EV_RXREJ */{ {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_MF18, ST_SUBSET}, {F_TR18, ST_SUBSET}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL} }, -/*EV_RXRNR */{ {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_MF19, ST_SUBSET}, {F_TR19, ST_SUBSET}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL} }, -/*EV_RXFRMR */{ {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_MF20, ST_AW_EST}, {F_TR20, ST_AW_EST}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL} }, -/*EV_ILL */{ {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL}, {F_ILL, ST_ILL} } -}; - -/*---------------------------------------------------------------------------* - * event handler, executes function and sets new state - *---------------------------------------------------------------------------*/ -void i4b_next_l2state(l2_softc_t *l2sc, int event) -{ - int currstate, newstate; - - /* check event number */ - if(event > N_EVENTS) - panic("i4b_l2fsm.c: event > N_EVENTS\n"); - - /* get current state and check it */ - if((currstate = l2sc->Q921_state) > N_STATES) /* failsafe */ - panic("i4b_l2fsm.c: currstate > N_STATES\n"); - - /* get new state and check it */ - if((newstate = l2state_tab[event][currstate].newstate) > N_STATES) - panic("i4b_l2fsm.c: newstate > N_STATES\n"); - - - if(newstate != ST_SUBSET) - { /* state function does NOT set new state */ - DBGL2(L2_F_MSG, "i4b_next_l2state", ("FSM event [%s]: [%s/%d => %s/%d]\n", - l2event_text[event], - l2state_text[currstate], currstate, - l2state_text[newstate], newstate)); - } - - /* execute state transition function */ - (*l2state_tab[event][currstate].func)(l2sc); - - if(newstate == ST_SUBSET) - { /* state function DOES set new state */ - DBGL2(L2_F_MSG, "i4b_next_l2state", ("FSM S-event [%s]: [%s => %s]\n", l2event_text[event], - l2state_text[currstate], - l2state_text[l2sc->Q921_state])); - } - - /* check for illegal new state */ - - if(newstate == ST_ILL) - { - newstate = currstate; - DBGL2(L2_F_ERR, "i4b_next_l2state", ("FSM illegal state, state = %s, event = %s!\n", - l2state_text[currstate], - l2event_text[event])); - } - - /* check if state machine function has to set new state */ - - if(newstate != ST_SUBSET) - l2sc->Q921_state = newstate; /* no, we set new state */ - - if(l2sc->postfsmfunc != NULL) - { - DBGL2(L2_F_MSG, "i4b_next_l2state", ("FSM executing postfsmfunc!\n")); - (*l2sc->postfsmfunc)(l2sc->postfsmarg); - l2sc->postfsmfunc = NULL; - } -} - -/*---------------------------------------------------------------------------* - * return pointer to current state description - *---------------------------------------------------------------------------*/ -char *i4b_print_l2state(l2_softc_t *l2sc) -{ - return((char *) l2state_text[l2sc->Q921_state]); -} - -/*---------------------------------------------------------------------------* - * FSM state ST_TEI_UNAS event dl establish request - *---------------------------------------------------------------------------*/ -static void -F_TU01(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_TU01", ("FSM function F_TU01 executing\n")); - i4b_mdl_assign_ind(l2sc); -} - -/*---------------------------------------------------------------------------* - * FSM state ST_TEI_UNAS event mdl assign request - *---------------------------------------------------------------------------*/ -static void -F_TU03(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_TU03", ("FSM function F_TU03 executing\n")); -} - -/*---------------------------------------------------------------------------* - * FSM state ST_ASG_AW_TEI event mdl assign request - *---------------------------------------------------------------------------*/ -static void -F_TA03(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_TA03", ("FSM function F_TA03 executing\n")); -} - -/*---------------------------------------------------------------------------* - * FSM state ST_ASG_AW_TEI event mdl error response - *---------------------------------------------------------------------------*/ -static void -F_TA04(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_TA04", ("FSM function F_TA04 executing\n")); -} - -/*---------------------------------------------------------------------------* - * FSM state ST_ASG_AW_TEI event persistent deactivation - *---------------------------------------------------------------------------*/ -static void -F_TA05(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_TA05", ("FSM function F_TA05 executing\n")); -} - -/*---------------------------------------------------------------------------* - * FSM state ST_EST_AW_TEI event mdl assign request - *---------------------------------------------------------------------------*/ -static void -F_TE03(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_TE03", ("FSM function F_TE03 executing\n")); - i4b_establish_data_link(l2sc); - l2sc->l3initiated = 1; -} - -/*---------------------------------------------------------------------------* - * FSM state ST_EST_AW_TEI event mdl error response - *---------------------------------------------------------------------------*/ -static void -F_TE04(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_TE04", ("FSM function F_TE04 executing\n")); - l2sc->postfsmarg = l2sc->unit; - l2sc->postfsmfunc = DL_Rel_Ind_A; -} - -/*---------------------------------------------------------------------------* - * FSM state ST_EST_AW_TEI event persistent deactivation - *---------------------------------------------------------------------------*/ -static void -F_TE05(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_TE05", ("FSM function F_TE05 executing\n")); - l2sc->postfsmarg = l2sc->unit; - l2sc->postfsmfunc = DL_Rel_Ind_A; -} - -/*---------------------------------------------------------------------------* - * FSM state ST_TEI_ASGD event dl establish request - *---------------------------------------------------------------------------*/ -static void -F_T01(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_T01", ("FSM function F_T01 executing\n")); - i4b_establish_data_link(l2sc); - l2sc->l3initiated = 1; -} - -/*---------------------------------------------------------------------------* - * FSM state ST_TEI_ASGD event persistent deactivation - *---------------------------------------------------------------------------*/ -static void -F_T05(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_T05", ("FSM function F_T05 executing\n")); -} - -/*---------------------------------------------------------------------------* - * FSM state ST_TEI_ASGD event mdl remove request - *---------------------------------------------------------------------------*/ -static void -F_T06(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_T06", ("FSM function F_T06 executing\n")); -/*XXX*/ i4b_mdl_assign_ind(l2sc); -} - -/*---------------------------------------------------------------------------* - * FSM state ST_TEI_ASGD event rx'd SABME - *---------------------------------------------------------------------------*/ -static void -F_T07(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_T07", ("FSM function F_T07 executing\n")); - -/* XXX */ -#ifdef NOTDEF - if(NOT able to establish) - { - i4b_tx_dm(l2sc, l2sc->rxd_PF); - l2sc->Q921_state = ST_TEI_ASGD; - return; - } -#endif - - i4b_clear_exception_conditions(l2sc); - - MDL_Status_Ind(l2sc->unit, STI_L2STAT, LAYER_ACTIVE); - - i4b_tx_ua(l2sc, l2sc->rxd_PF); - - l2sc->vs = 0; - l2sc->va = 0; - l2sc->vr = 0; - - l2sc->postfsmarg = l2sc->unit; - l2sc->postfsmfunc = DL_Est_Ind_A; - - i4b_T203_start(l2sc); - - l2sc->Q921_state = ST_MULTIFR; -} - -/*---------------------------------------------------------------------------* - * FSM state ST_TEI_ASGD event rx'd DISC - *---------------------------------------------------------------------------*/ -static void -F_T08(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_T08", ("FSM function F_T08 executing\n")); - MDL_Status_Ind(l2sc->unit, STI_L2STAT, LAYER_IDLE); - i4b_tx_ua(l2sc, l2sc->rxd_PF); -} - -/*---------------------------------------------------------------------------* - * FSM state ST_TEI_ASGD event rx'd UA - *---------------------------------------------------------------------------*/ -static void -F_T09(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_T09", ("FSM function F_T09 executing\n")); - i4b_mdl_error_ind(l2sc, "F_T09", MDL_ERR_C); - i4b_mdl_error_ind(l2sc, "F_T09", MDL_ERR_D); -} - -/*---------------------------------------------------------------------------* - * FSM state ST_TEI_ASGD event rx'd DM - *---------------------------------------------------------------------------*/ -static void -F_T10(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_T10", ("FSM function F_T10 executing\n")); - - if(l2sc->rxd_PF) - { - l2sc->Q921_state = ST_TEI_ASGD; - } - else - { -#ifdef NOTDEF - if(NOT able_to_etablish) - { - l2sc->Q921_state = ST_TEI_ASGD; - return; - } -#endif - i4b_establish_data_link(l2sc); - - l2sc->l3initiated = 1; - - l2sc->Q921_state = ST_AW_EST; - } -} - -/*---------------------------------------------------------------------------* - * FSM state ST_TEI_ASGD event dl release request - *---------------------------------------------------------------------------*/ -static void -F_T13(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_T13", ("FSM function F_T13 executing\n")); - l2sc->postfsmarg = l2sc->unit; - l2sc->postfsmfunc = DL_Rel_Cnf_A; -} - -/*---------------------------------------------------------------------------* - * FSM state ST_AW_EST event dl establish request - *---------------------------------------------------------------------------*/ -static void -F_AE01(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_AE01", ("FSM function F_AE01 executing\n")); - - i4b_Dcleanifq(&l2sc->i_queue); - - l2sc->l3initiated = 1; -} - -/*---------------------------------------------------------------------------* - * FSM state ST_AW_EST event persistent deactivation - *---------------------------------------------------------------------------*/ -static void -F_AE05(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_AE05", ("FSM function F_AE05 executing\n")); - - i4b_Dcleanifq(&l2sc->i_queue); - - l2sc->postfsmarg = l2sc->unit; - l2sc->postfsmfunc = DL_Rel_Ind_A; - - i4b_T200_stop(l2sc); -} - -/*---------------------------------------------------------------------------* - * FSM state ST_AW_EST event mdl remove request - *---------------------------------------------------------------------------*/ -static void -F_AE06(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_AE06", ("FSM function F_AE06 executing\n")); - - i4b_Dcleanifq(&l2sc->i_queue); - - l2sc->postfsmarg = l2sc->unit; - l2sc->postfsmfunc = DL_Rel_Ind_A; - - i4b_T200_stop(l2sc); - -/*XXX*/ i4b_mdl_assign_ind(l2sc); -} - -/*---------------------------------------------------------------------------* - * FSM state ST_AW_EST event rx'd SABME - *---------------------------------------------------------------------------*/ -static void -F_AE07(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_AE07", ("FSM function F_AE07 executing\n")); - MDL_Status_Ind(l2sc->unit, STI_L2STAT, LAYER_ACTIVE); - i4b_tx_ua(l2sc, l2sc->rxd_PF); -} - -/*---------------------------------------------------------------------------* - * FSM state ST_AW_EST event rx'd DISC - *---------------------------------------------------------------------------*/ -static void -F_AE08(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_AE08", ("FSM function F_AE08 executing\n")); - i4b_tx_dm(l2sc, l2sc->rxd_PF); -} - -/*---------------------------------------------------------------------------* - * FSM state ST_AW_EST event rx'd UA - *---------------------------------------------------------------------------*/ -static void -F_AE09(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_AE09", ("FSM function F_AE09 executing\n")); - - if(l2sc->rxd_PF == 0) - { - i4b_mdl_error_ind(l2sc, "F_AE09", MDL_ERR_D); - l2sc->Q921_state = ST_AW_EST; - } - else - { - if(l2sc->l3initiated) - { - l2sc->l3initiated = 0; - l2sc->vr = 0; - l2sc->postfsmarg = l2sc->unit; - l2sc->postfsmfunc = DL_Est_Cnf_A; - } - else - { - if(l2sc->vs != l2sc->va) - { - i4b_Dcleanifq(&l2sc->i_queue); - l2sc->postfsmarg = l2sc->unit; - l2sc->postfsmfunc = DL_Est_Ind_A; - } - } - - MDL_Status_Ind(l2sc->unit, STI_L2STAT, LAYER_ACTIVE); - - i4b_T200_stop(l2sc); - i4b_T203_start(l2sc); - - l2sc->vs = 0; - l2sc->va = 0; - - l2sc->Q921_state = ST_MULTIFR; - } -} - -/*---------------------------------------------------------------------------* - * FSM state ST_AW_EST event rx'd DM - *---------------------------------------------------------------------------*/ -static void -F_AE10(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_AE10", ("FSM function F_AE10 executing\n")); - - if(l2sc->rxd_PF == 0) - { - l2sc->Q921_state = ST_AW_EST; - } - else - { - i4b_Dcleanifq(&l2sc->i_queue); - - l2sc->postfsmarg = l2sc->unit; - l2sc->postfsmfunc = DL_Rel_Ind_A; - - i4b_T200_stop(l2sc); - - l2sc->Q921_state = ST_TEI_ASGD; - } -} - -/*---------------------------------------------------------------------------* - * FSM state ST_AW_EST event T200 expiry - *---------------------------------------------------------------------------*/ -static void -F_AE11(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_AE11", ("FSM function F_AE11 executing\n")); - - if(l2sc->RC >= N200) - { - i4b_Dcleanifq(&l2sc->i_queue); - - i4b_mdl_error_ind(l2sc, "F_AE11", MDL_ERR_G); - - l2sc->postfsmarg = l2sc->unit; - l2sc->postfsmfunc = DL_Rel_Ind_A; - - l2sc->Q921_state = ST_TEI_ASGD; - } - else - { - l2sc->RC++; - - i4b_tx_sabme(l2sc, P1); - - i4b_T200_start(l2sc); - - l2sc->Q921_state = ST_AW_EST; - } -} - -/*---------------------------------------------------------------------------* - * FSM state ST_AW_EST event dl data request - *---------------------------------------------------------------------------*/ -static void -F_AE12(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_AE12", ("FSM function F_AE12 executing\n")); - - if(l2sc->l3initiated == 0) - { - i4b_i_frame_queued_up(l2sc); - } -} - -/*---------------------------------------------------------------------------* - * FSM state ST_AW_REL event persistent deactivation - *---------------------------------------------------------------------------*/ -static void -F_AR05(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_AR05", ("FSM function F_AR05 executing\n")); - - l2sc->postfsmarg = l2sc->unit; - l2sc->postfsmfunc = DL_Rel_Cnf_A; - - i4b_T200_stop(l2sc); -} - -/*---------------------------------------------------------------------------* - * FSM state ST_AW_REL event mdl remove request - *---------------------------------------------------------------------------*/ -static void -F_AR06(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_AR06", ("FSM function F_AR06 executing\n")); - - l2sc->postfsmarg = l2sc->unit; - l2sc->postfsmfunc = DL_Rel_Cnf_A; - - i4b_T200_stop(l2sc); - -/*XXX*/ i4b_mdl_assign_ind(l2sc); -} - -/*---------------------------------------------------------------------------* - * FSM state ST_AW_REL event rx'd SABME - *---------------------------------------------------------------------------*/ -static void -F_AR07(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_AR07", ("FSM function F_AR07 executing\n")); - i4b_tx_dm(l2sc, l2sc->rxd_PF); -} - -/*---------------------------------------------------------------------------* - * FSM state ST_AW_REL event rx'd DISC - *---------------------------------------------------------------------------*/ -static void -F_AR08(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_AR08", ("FSM function F_AR08 executing\n")); - MDL_Status_Ind(l2sc->unit, STI_L2STAT, LAYER_IDLE); - i4b_tx_ua(l2sc, l2sc->rxd_PF); -} - -/*---------------------------------------------------------------------------* - * FSM state ST_AW_REL event rx'd UA - *---------------------------------------------------------------------------*/ -static void -F_AR09(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_AR09", ("FSM function F_AR09 executing\n")); - - if(l2sc->rxd_PF) - { - l2sc->postfsmarg = l2sc->unit; - l2sc->postfsmfunc = DL_Rel_Cnf_A; - - i4b_T200_stop(l2sc); - - l2sc->Q921_state = ST_TEI_ASGD; - } - else - { - i4b_mdl_error_ind(l2sc, "F_AR09", MDL_ERR_D); - - l2sc->Q921_state = ST_AW_REL; - } -} - -/*---------------------------------------------------------------------------* - * FSM state ST_AW_REL event rx'd DM - *---------------------------------------------------------------------------*/ -static void -F_AR10(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_AR10", ("FSM function F_AR10 executing\n")); - - if(l2sc->rxd_PF) - { - l2sc->postfsmarg = l2sc->unit; - l2sc->postfsmfunc = DL_Rel_Cnf_A; - - i4b_T200_stop(l2sc); - - l2sc->Q921_state = ST_TEI_ASGD; - } - else - { - l2sc->Q921_state = ST_AW_REL; - } -} - -/*---------------------------------------------------------------------------* - * FSM state ST_AW_REL event T200 expiry - *---------------------------------------------------------------------------*/ -static void -F_AR11(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_AR11", ("FSM function F_AR11 executing\n")); - - if(l2sc->RC >= N200) - { - i4b_mdl_error_ind(l2sc, "F_AR11", MDL_ERR_H); - - l2sc->postfsmarg = l2sc->unit; - l2sc->postfsmfunc = DL_Rel_Cnf_A; - - l2sc->Q921_state = ST_TEI_ASGD; - } - else - { - l2sc->RC++; - - i4b_tx_disc(l2sc, P1); - - i4b_T200_start(l2sc); - - l2sc->Q921_state = ST_AW_REL; - } -} - -/*---------------------------------------------------------------------------* - * FSM state ST_MULTIFR event dl establish request - *---------------------------------------------------------------------------*/ -static void -F_MF01(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_MF01", ("FSM function F_MF01 executing\n")); - - i4b_Dcleanifq(&l2sc->i_queue); - - i4b_establish_data_link(l2sc); - - l2sc->l3initiated = 1; -} - -/*---------------------------------------------------------------------------* - * FSM state ST_MULTIFR event persistent deactivation - *---------------------------------------------------------------------------*/ -static void -F_MF05(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_MF05", ("FSM function F_MF05 executing\n")); - - i4b_Dcleanifq(&l2sc->i_queue); - - l2sc->postfsmarg = l2sc->unit; - l2sc->postfsmfunc = DL_Rel_Ind_A; - - i4b_T200_stop(l2sc); - i4b_T203_stop(l2sc); -} - -/*---------------------------------------------------------------------------* - * FSM state ST_MULTIFR event mdl remove request - *---------------------------------------------------------------------------*/ -static void -F_MF06(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_MF06", ("FSM function F_MF06 executing\n")); - - i4b_Dcleanifq(&l2sc->i_queue); - - l2sc->postfsmarg = l2sc->unit; - l2sc->postfsmfunc = DL_Rel_Ind_A; - - i4b_T200_stop(l2sc); - i4b_T203_stop(l2sc); - -/*XXX*/ i4b_mdl_assign_ind(l2sc); -} - -/*---------------------------------------------------------------------------* - * FSM state ST_MULTIFR event rx'd SABME - *---------------------------------------------------------------------------*/ -static void -F_MF07(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_MF07", ("FSM function F_MF07 executing\n")); - - i4b_clear_exception_conditions(l2sc); - - MDL_Status_Ind(l2sc->unit, STI_L2STAT, LAYER_ACTIVE); - - i4b_tx_ua(l2sc, l2sc->rxd_PF); - - i4b_mdl_error_ind(l2sc, "F_MF07", MDL_ERR_F); - - if(l2sc->vs != l2sc->va) - { - i4b_Dcleanifq(&l2sc->i_queue); - - l2sc->postfsmarg = l2sc->unit; - l2sc->postfsmfunc = DL_Est_Ind_A; - } - - i4b_T200_stop(l2sc); - i4b_T203_start(l2sc); - - l2sc->vs = 0; - l2sc->va = 0; - l2sc->vr = 0; -} - -/*---------------------------------------------------------------------------* - * FSM state ST_MULTIFR event rx'd DISC - *---------------------------------------------------------------------------*/ -static void -F_MF08(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_MF08", ("FSM function F_MF08 executing\n")); - - i4b_Dcleanifq(&l2sc->i_queue); - MDL_Status_Ind(l2sc->unit, STI_L2STAT, LAYER_IDLE); - i4b_tx_ua(l2sc, l2sc->rxd_PF); - - l2sc->postfsmarg = l2sc->unit; - l2sc->postfsmfunc = DL_Rel_Ind_A; - - i4b_T200_stop(l2sc); - i4b_T203_stop(l2sc); -} - -/*---------------------------------------------------------------------------* - * FSM state ST_MULTIFR event rx'd UA - *---------------------------------------------------------------------------*/ -static void -F_MF09(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_MF09", ("FSM function F_MF09 executing\n")); - if(l2sc->rxd_PF) - i4b_mdl_error_ind(l2sc, "F_MF09", MDL_ERR_C); - else - i4b_mdl_error_ind(l2sc, "F_MF09", MDL_ERR_D); -} - -/*---------------------------------------------------------------------------* - * FSM state ST_MULTIFR event rx'd DM - *---------------------------------------------------------------------------*/ -static void -F_MF10(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_MF10", ("FSM function F_MF10 executing\n")); - - if(l2sc->rxd_PF) - { - i4b_mdl_error_ind(l2sc, "F_MF10", MDL_ERR_B); - - l2sc->Q921_state = ST_MULTIFR; - } - else - { - i4b_mdl_error_ind(l2sc, "F_MF10", MDL_ERR_E); - - i4b_establish_data_link(l2sc); - - l2sc->l3initiated = 0; - - l2sc->Q921_state = ST_AW_EST; - } -} - -/*---------------------------------------------------------------------------* - * FSM state ST_MULTIFR event T200 expiry - *---------------------------------------------------------------------------*/ -static void -F_MF11(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_MF11", ("FSM function F_MF11 executing\n")); - - l2sc->RC = 0; - - i4b_transmit_enquire(l2sc); - - l2sc->RC++; -} - -/*---------------------------------------------------------------------------* - * FSM state ST_MULTIFR event dl data request - *---------------------------------------------------------------------------*/ -static void -F_MF12(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_MF12", ("FSM function F_MF12 executing\n")); - - i4b_i_frame_queued_up(l2sc); -} - -/*---------------------------------------------------------------------------* - * FSM state ST_MULTIFR event dl release request - *---------------------------------------------------------------------------*/ -static void -F_MF13(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_MF13", ("FSM function F_MF13 executing\n")); - - i4b_Dcleanifq(&l2sc->i_queue); - - l2sc->RC = 0; - - i4b_tx_disc(l2sc, P1); - - i4b_T203_stop(l2sc); - i4b_T200_restart(l2sc); -} - -/*---------------------------------------------------------------------------* - * FSM state ST_MULTIFR event T203 expiry - *---------------------------------------------------------------------------*/ -static void -F_MF14(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_MF14", ("FSM function F_MF14 executing\n")); - - i4b_transmit_enquire(l2sc); - - l2sc->RC = 0; -} - -/*---------------------------------------------------------------------------* - * FSM state ST_MULTIFR event set own rx busy - *---------------------------------------------------------------------------*/ -static void -F_MF15(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_MF15", ("FSM function F_MF15 executing\n")); - - if(l2sc->own_busy == 0) - { - l2sc->own_busy = 1; - - i4b_tx_rnr_response(l2sc, F0); /* wrong in Q.921 03/93 p 64 */ - - l2sc->ack_pend = 0; - } -} - -/*---------------------------------------------------------------------------* - * FSM state ST_MULTIFR event clear own rx busy - *---------------------------------------------------------------------------*/ -static void -F_MF16(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_MF16", ("FSM function F_MF16 executing\n")); - - if(l2sc->own_busy != 0) - { - l2sc->own_busy = 0; - - i4b_tx_rr_response(l2sc, F0); /* wrong in Q.921 03/93 p 64 */ - - l2sc->ack_pend = 0; - } -} - -/*---------------------------------------------------------------------------* - * FSM state ST_MULTIFR event rx'd RR - *---------------------------------------------------------------------------*/ -static void -F_MF17(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_MF17", ("FSM function F_MF17 executing\n")); - - l2sc->peer_busy = 0; - - if(l2sc->rxd_CR == CR_CMD_FROM_NT) - { - if(l2sc->rxd_PF == 1) - { - i4b_enquiry_response(l2sc); - } - } - else - { - if(l2sc->rxd_PF == 1) - { - i4b_mdl_error_ind(l2sc, "F_MF17", MDL_ERR_A); - } - } - - if(i4b_l2_nr_ok(l2sc->rxd_NR, l2sc->va, l2sc->vs)) - { - if(l2sc->rxd_NR == l2sc->vs) - { - l2sc->va = l2sc->rxd_NR; - i4b_T200_stop(l2sc); - i4b_T203_restart(l2sc); - } - else if(l2sc->rxd_NR != l2sc->va) - { - l2sc->va = l2sc->rxd_NR; - i4b_T200_restart(l2sc); - } - l2sc->Q921_state = ST_MULTIFR; - } - else - { - i4b_nr_error_recovery(l2sc); - l2sc->Q921_state = ST_AW_EST; - } -} - -/*---------------------------------------------------------------------------* - * FSM state ST_MULTIFR event rx'd REJ - *---------------------------------------------------------------------------*/ -static void -F_MF18(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_MF18", ("FSM function F_MF18 executing\n")); - - l2sc->peer_busy = 0; - - if(l2sc->rxd_CR == CR_CMD_FROM_NT) - { - if(l2sc->rxd_PF == 1) - { - i4b_enquiry_response(l2sc); - } - } - else - { - if(l2sc->rxd_PF == 1) - { - i4b_mdl_error_ind(l2sc, "F_MF18", MDL_ERR_A); - } - } - - if(i4b_l2_nr_ok(l2sc->rxd_NR, l2sc->va, l2sc->vs)) - { - l2sc->va = l2sc->rxd_NR; - i4b_T200_stop(l2sc); - i4b_T203_start(l2sc); - i4b_invoke_retransmission(l2sc, l2sc->rxd_NR); - l2sc->Q921_state = ST_MULTIFR; - } - else - { - i4b_nr_error_recovery(l2sc); - l2sc->Q921_state = ST_AW_EST; - } -} - -/*---------------------------------------------------------------------------* - * FSM state ST_MULTIFR event rx'd RNR - *---------------------------------------------------------------------------*/ -static void -F_MF19(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_MF19", ("FSM function F_MF19 executing\n")); - - l2sc->peer_busy = 1; - - if(l2sc->rxd_CR == CR_CMD_FROM_NT) - { - if(l2sc->rxd_PF == 1) - { - i4b_enquiry_response(l2sc); - } - } - else - { - if(l2sc->rxd_PF == 1) - { - i4b_mdl_error_ind(l2sc, "F_MF19", MDL_ERR_A); - } - } - - if(i4b_l2_nr_ok(l2sc->rxd_NR, l2sc->va, l2sc->vs)) - { - l2sc->va = l2sc->rxd_NR; - i4b_T203_stop(l2sc); - i4b_T200_restart(l2sc); - l2sc->Q921_state = ST_MULTIFR; - } - else - { - i4b_nr_error_recovery(l2sc); - l2sc->Q921_state = ST_AW_EST; - } -} - -/*---------------------------------------------------------------------------* - * FSM state ST_MULTIFR event rx'd FRMR - *---------------------------------------------------------------------------*/ -static void -F_MF20(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_MF20", ("FSM function F_MF20 executing\n")); - - i4b_mdl_error_ind(l2sc, "F_MF20", MDL_ERR_K); - - i4b_establish_data_link(l2sc); - - l2sc->l3initiated = 0; -} - -/*---------------------------------------------------------------------------* - * FSM state ST_TIMREC event dl establish request - *---------------------------------------------------------------------------*/ -static void -F_TR01(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_TR01", ("FSM function F_TR01 executing\n")); - - i4b_Dcleanifq(&l2sc->i_queue); - - i4b_establish_data_link(l2sc); - - l2sc->l3initiated = 1; -} - -/*---------------------------------------------------------------------------* - * FSM state ST_TIMREC event persistent deactivation - *---------------------------------------------------------------------------*/ -static void -F_TR05(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_TR05", ("FSM function F_TR05 executing\n")); - - i4b_Dcleanifq(&l2sc->i_queue); - - l2sc->postfsmarg = l2sc->unit; - l2sc->postfsmfunc = DL_Rel_Ind_A; - - i4b_T200_stop(l2sc); -} - -/*---------------------------------------------------------------------------* - * FSM state ST_TIMREC event mdl remove request - *---------------------------------------------------------------------------*/ -static void -F_TR06(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_TR06", ("FSM function F_TR06 executing\n")); - - i4b_Dcleanifq(&l2sc->i_queue); - - l2sc->postfsmarg = l2sc->unit; - l2sc->postfsmfunc = DL_Rel_Ind_A; - - i4b_T200_stop(l2sc); - -/*XXX*/ i4b_mdl_assign_ind(l2sc); -} - -/*---------------------------------------------------------------------------* - * FSM state ST_TIMREC event rx'd SABME - *---------------------------------------------------------------------------*/ -static void -F_TR07(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_TR07", ("FSM function F_TR07 executing\n")); - - i4b_clear_exception_conditions(l2sc); - - MDL_Status_Ind(l2sc->unit, STI_L2STAT, LAYER_ACTIVE); - - i4b_tx_ua(l2sc, l2sc->rxd_PF); - - i4b_mdl_error_ind(l2sc, "F_TR07", MDL_ERR_F); - - if(l2sc->vs != l2sc->va) - { - i4b_Dcleanifq(&l2sc->i_queue); - - l2sc->postfsmarg = l2sc->unit; - l2sc->postfsmfunc = DL_Est_Ind_A; - } - - i4b_T200_stop(l2sc); - i4b_T203_start(l2sc); - - l2sc->vs = 0; - l2sc->va = 0; - l2sc->vr = 0; -} - -/*---------------------------------------------------------------------------* - * FSM state ST_TIMREC event rx'd DISC - *---------------------------------------------------------------------------*/ -static void -F_TR08(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_TR08", ("FSM function F_TR08 executing\n")); - - i4b_Dcleanifq(&l2sc->i_queue); - MDL_Status_Ind(l2sc->unit, STI_L2STAT, LAYER_IDLE); - i4b_tx_ua(l2sc, l2sc->rxd_PF); - - l2sc->postfsmarg = l2sc->unit; - l2sc->postfsmfunc = DL_Rel_Ind_A; - - i4b_T200_stop(l2sc); -} - -/*---------------------------------------------------------------------------* - * FSM state ST_TIMREC event rx'd UA - *---------------------------------------------------------------------------*/ -static void -F_TR09(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_TR09", ("FSM function F_TR09 executing\n")); - if(l2sc->rxd_PF) - i4b_mdl_error_ind(l2sc, "F_TR09", MDL_ERR_C); - else - i4b_mdl_error_ind(l2sc, "F_TR09", MDL_ERR_D); -} - -/*---------------------------------------------------------------------------* - * FSM state ST_TIMREC event rx'd DM - *---------------------------------------------------------------------------*/ -static void -F_TR10(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_TR10", ("FSM function F_TR10 executing\n")); - - if(l2sc->rxd_PF) - { - i4b_mdl_error_ind(l2sc, "F_TR10", MDL_ERR_B); - } - else - { - i4b_mdl_error_ind(l2sc, "F_TR10", MDL_ERR_E); - } - - i4b_establish_data_link(l2sc); - - l2sc->l3initiated = 0; -} - -/*---------------------------------------------------------------------------* - * FSM state ST_TIMREC event T200 expiry - *---------------------------------------------------------------------------*/ -static void -F_TR11(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_TR11", ("FSM function F_TR11 executing\n")); - - if(l2sc->RC >= N200) - { - i4b_mdl_error_ind(l2sc, "F_TR11", MDL_ERR_I); - - i4b_establish_data_link(l2sc); - - l2sc->l3initiated = 0; - - l2sc->Q921_state = ST_AW_EST; - } - else - { - i4b_transmit_enquire(l2sc); - - l2sc->RC++; - - l2sc->Q921_state = ST_TIMREC; - } -} - -/*---------------------------------------------------------------------------* - * FSM state ST_TIMREC event dl data request - *---------------------------------------------------------------------------*/ -static void -F_TR12(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_TR12", ("FSM function F_TR12 executing\n")); - - i4b_i_frame_queued_up(l2sc); -} - -/*---------------------------------------------------------------------------* - * FSM state ST_TIMREC event dl release request - *---------------------------------------------------------------------------*/ -static void -F_TR13(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_TR13", ("FSM function F_TR13 executing\n")); - - i4b_Dcleanifq(&l2sc->i_queue); - - l2sc->RC = 0; - - i4b_tx_disc(l2sc, P1); - - i4b_T200_restart(l2sc); -} - -/*---------------------------------------------------------------------------* - * FSM state ST_TIMREC event set own rx busy - *---------------------------------------------------------------------------*/ -static void -F_TR15(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_TR15", ("FSM function F_TR15 executing\n")); - - if(l2sc->own_busy == 0) - { - l2sc->own_busy = 1; - - i4b_tx_rnr_response(l2sc, F0); - - l2sc->ack_pend = 0; - } -} - -/*---------------------------------------------------------------------------* - * FSM state ST_TIMREC event clear own rx busy - *---------------------------------------------------------------------------*/ -static void -F_TR16(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_TR16", ("FSM function F_TR16 executing\n")); - - if(l2sc->own_busy != 0) - { - l2sc->own_busy = 0; - - i4b_tx_rr_response(l2sc, F0); /* this is wrong */ - /* in Q.921 03/93 p 74 ! */ - l2sc->ack_pend = 0; - } -} - -/*---------------------------------------------------------------------------* - * FSM state ST_TIMREC event rx'd RR - *---------------------------------------------------------------------------*/ -static void -F_TR17(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_TR17", ("FSM function F_TR17 executing\n")); - - l2sc->peer_busy = 0; - - if(l2sc->rxd_CR == CR_CMD_FROM_NT) - { - if(l2sc->rxd_PF == 1) - { - i4b_enquiry_response(l2sc); - } - } - else - { - if(l2sc->rxd_PF == 1) - { - if(i4b_l2_nr_ok(l2sc->rxd_NR, l2sc->va, l2sc->vs)) - { - l2sc->va = l2sc->rxd_NR; - i4b_T200_stop(l2sc); - i4b_T203_start(l2sc); - i4b_invoke_retransmission(l2sc, l2sc->rxd_NR); - l2sc->Q921_state = ST_MULTIFR; - return; - } - else - { - i4b_nr_error_recovery(l2sc); - l2sc->Q921_state = ST_AW_EST; - return; - } - } - } - - if(i4b_l2_nr_ok(l2sc->rxd_NR, l2sc->va, l2sc->vs)) - { - l2sc->va = l2sc->rxd_NR; - l2sc->Q921_state = ST_TIMREC; - } - else - { - i4b_nr_error_recovery(l2sc); - l2sc->Q921_state = ST_AW_EST; - } -} - -/*---------------------------------------------------------------------------* - * FSM state ST_TIMREC event - *---------------------------------------------------------------------------*/ -static void -F_TR18(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_TR18", ("FSM function F_TR18 executing\n")); - - l2sc->peer_busy = 0; - - if(l2sc->rxd_CR == CR_CMD_FROM_NT) - { - if(l2sc->rxd_PF == 1) - { - i4b_enquiry_response(l2sc); - } - } - else - { - if(l2sc->rxd_PF == 1) - { - if(i4b_l2_nr_ok(l2sc->rxd_NR, l2sc->va, l2sc->vs)) - { - l2sc->va = l2sc->rxd_NR; - i4b_T200_stop(l2sc); - i4b_T203_start(l2sc); - i4b_invoke_retransmission(l2sc, l2sc->rxd_NR); - l2sc->Q921_state = ST_MULTIFR; - return; - } - else - { - i4b_nr_error_recovery(l2sc); - l2sc->Q921_state = ST_AW_EST; - return; - } - } - } - - if(i4b_l2_nr_ok(l2sc->rxd_NR, l2sc->va, l2sc->vs)) - { - l2sc->va = l2sc->rxd_NR; - l2sc->Q921_state = ST_TIMREC; - } - else - { - i4b_nr_error_recovery(l2sc); - l2sc->Q921_state = ST_AW_EST; - } -} - -/*---------------------------------------------------------------------------* - * FSM state ST_TIMREC event rx'd RNR - *---------------------------------------------------------------------------*/ -static void -F_TR19(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_TR19", ("FSM function F_TR19 executing\n")); - - l2sc->peer_busy = 0; - - if(l2sc->rxd_CR == CR_CMD_FROM_NT) - { - if(l2sc->rxd_PF == 1) - { - i4b_enquiry_response(l2sc); - } - } - else - { - if(l2sc->rxd_PF == 1) - { - if(i4b_l2_nr_ok(l2sc->rxd_NR, l2sc->va, l2sc->vs)) - { - l2sc->va = l2sc->rxd_NR; - i4b_T200_restart(l2sc); - i4b_invoke_retransmission(l2sc, l2sc->rxd_NR); - l2sc->Q921_state = ST_MULTIFR; - return; - } - else - { - i4b_nr_error_recovery(l2sc); - l2sc->Q921_state = ST_AW_EST; - return; - } - } - } - - if(i4b_l2_nr_ok(l2sc->rxd_NR, l2sc->va, l2sc->vs)) - { - l2sc->va = l2sc->rxd_NR; - l2sc->Q921_state = ST_TIMREC; - } - else - { - i4b_nr_error_recovery(l2sc); - l2sc->Q921_state = ST_AW_EST; - } -} - -/*---------------------------------------------------------------------------* - * FSM state ST_TIMREC event rx'd FRMR - *---------------------------------------------------------------------------*/ -static void -F_TR20(l2_softc_t *l2sc) -{ - DBGL2(L2_F_MSG, "F_TR20", ("FSM function F_TR20 executing\n")); - - i4b_mdl_error_ind(l2sc, "F_TR20", MDL_ERR_K); - - i4b_establish_data_link(l2sc); - - l2sc->l3initiated = 0; -} - -#endif /* NI4BQ921 > 0 */ |